What's A Porn Star Doing On A Math Book Cover?

You seriously can’t judge this book by its cover.

This is the cover of "Basic Mathematics," a textbook used in colleges in Thailand.

It looks like an ordinary course book at first glance, but there is something really inappropriate about the cover.

It features a Japanese porn star Mana Aoki, striking a pose with a book in her hands.

The picture was actually part of a photo shoot promoting an adult video, “Costume Play Working Girl.”

A Twitter user uncovered the titillating truth a few days ago.

We don’t know if the publishers got into any trouble because of the mishap but the authorities decided to take the books off the market. But they cannot undo what's already been done.

This is what happens when little effort is made to research for resources.

Remember the over-exposed stock photo model?

The lady is all over the Internet! She’s done everything, sold everything. You name it, she’s done it, made it or promoted it.

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